IPC Subgroup
H01H 11/02 for mercury switches
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or processes specially adapted for the manufacture of electric switches > for mercury switches
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES